Keen has hired Chris Heffernan, a seasoned executive in the footwear industry, as general manager of Keen Utility. Heffernan previously spent three years at Honeywell International, as general manager of safety footwear and vice president of global product. He also worked for seven years at Timberland as global brand manager and director of new product development, where he helped build Timberland Pro. Keen has also appointed Erin Simons as business unit director of its kids' business. The outdoor footwear company says Simons has doubled the size of this business in the last five years.